<SEC-DOCUMENT>0000920371-19-000080-index.html : 20190612
<SEC-HEADER>0000920371-19-000080.hdr.sgml : 20190612
<ACCEPTANCE-DATETIME>20190612140411
ACCESSION NUMBER:		0000920371-19-000080
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20181231
FILED AS OF DATE:		20190612
DATE AS OF CHANGE:		20190612

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SIMPSON MANUFACTURING CO INC /CA/
		CENTRAL INDEX KEY:			0000920371
		STANDARD INDUSTRIAL CLASSIFICATION:	CUTLERY, HANDTOOLS & GENERAL HARDWARE [3420]
		IRS NUMBER:				943196943
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13429
		FILM NUMBER:		19893397

	BUSINESS ADDRESS:	
		STREET 1:		5956 W LAS POSITAS BLVD
		CITY:			PLEASANTON
		STATE:			CA
		ZIP:			94588
		BUSINESS PHONE:		9255609000

	MAIL ADDRESS:	
		STREET 1:		5956 W LAS POSITAS BLVD
		CITY:			PLEASANTON
		STATE:			CA
		ZIP:			94588
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>ssd11-k401kprofitsharingpl.htm
<DESCRIPTION>11-K
<TEXT>
Document 1 - file: ssd11-k401kprofitsharingpl.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23
<SEQUENCE>2
<FILENAME>exhibit232018.htm
<DESCRIPTION>EXHIBIT 23
<TEXT>
Document 2 - file: exhibit232018.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>exhibit9912018.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 3 - file: exhibit9912018.htm

</DOCUMENT>
</SEC-DOCUMENT>